CN105451683B

CN105451683B - Dental attachment assembly cap and application method

Info

Publication number: CN105451683B
Application number: CN201580001448.8A
Authority: CN
Inventors: R·R·艾伦; C·M·吉尔伐斯
Original assignee: Zest IP Holdings LLC
Current assignee: Zest IP Holdings LLC
Priority date: 2014-06-06
Filing date: 2015-06-05
Publication date: 2018-04-13
Anticipated expiration: 2035-06-05
Also published as: ES2657815T3; KR20160115679A; US20150351876A1; US20160361145A1; US9925022B2; HK1219645A1; EP2952156B1; ES2601509T3; US20200297462A1; JP2017512580A; US11696817B2; AU2015255272B2; CA2913636A1; JP6290446B2; EP2991578A4; EP2991578B1; US20180177571A1; KR101708289B1; US20230320821A1; EP2952156A1

Abstract

A kind of dental attachment assembly and method utilize implant grappling dental appliance, and with being attached to the base station component of the implant, the holding member with the base station component releasedly snap engagement, and cap, the cap are fixed in the recess of the dental appliance and are releasedly rotated with the holding member and engaged so that the dental appliance is positioned and secured on the implant.The cap includes the chamber with the circular concave inner surface engaged with the holding member, the inside top surface of the chamber has concave indention, and the concave indention is radially extended to allow the holding member to be rotated in the cap along the neighboring on the inside top surface of the chamber.Therefore, the core surrounded by the concave indention on the inside top surface of the chamber extends vertically into the intracavitary minimize the vertical displacement of the holding member when the holding member rotates.

Description

Dental attachment assembly cap and application method

Background

Invention field

Provided herein is apparatus and method be related to for utilizing base construction (for example, dental implant) grappling dental appliance Dental attachment assembly, and relate more specifically to the attachment assembly that band is useful for positioning and keeps the cap of dental appliance.

Correlation technique

Known such dentistry anchor assemblies, which provided for being attached to the recessed of root, implant or adjacent teeth Component, and male part is bonded in the recess of dental appliance, female part and male part have coordinate can snap engagement construction Male part removably is fixed to female part.For example, in the U.S. Patent number 5,417,570 of Zuest, female part has Pod, and male part has for snapping engagement in the head in pod.It is difficult to determine noses however, user may be found that Position is in recessed pod so that head may collide the periphery of pod in some cases.The shock repeatedly of this property can damage The holding head of male part so that it loses its holding capacity of part.

(its content is incorporated to this to the U.S. Patent number 6,030,219 and 6,299,447 of Zuest etc. in entirety by reference Text) such dental attachment assembly is described, its male member, which has, to be used to snap engagement in the outer of female part or base station component Position the skirt section of surface.Male part, which can also have, to be used to snap engagement in the center-pole in the pod in female part, so that Interior holding surface and outer holding surface are provided, and therefore increases retentivity.And it is also easy to male part being properly located Above female part.

It is outer fixed that the U.S. Patent number 6,981,871 (its content is incorporated herein in entirety by reference) of Zuest describes Position surface, it has at least two axially-spaced holding surfaces, the inner surface for the cap with being fixed in dental appliance Corresponding snap engagement construction spaced apart is protected with merging snap engagement with providing the exterior of stacking between base station and holding member Holding force.

However, it is desirable that not only improving the retentivity of the component of dental attachment assembly, but also improve its controllability.

Brief summary of the invention

The embodiments described herein provides dental attachment assembly and method, it utilizes implant or other base constructions Grappling dental appliance, dental attachment assembly include being attached to the base station component of implant or base construction, can be released with base station component The holding member of ground snap engagement, and cap are put, which is fixed in the recess of dental appliance and is configured to release with holding member Rotate engagement with putting dental appliance is positioned and secured on implant.Cap includes circular recessed with being engaged with holding member The chamber of inner surface, and the inside top surface of chamber has concave indention, periphery of the concave indention along the inside top surface of chamber While radially extend to allow holding member to be rotated in cap.Therefore, in being surrounded by concave indention of the inside top surface of chamber Center portion point extends vertically into intracavitary minimize the vertical displacement of holding member when holding member rotates in cap.

In one embodiment, the cap of dental attachment assembly includes outer surface, its shape be designed to in dental appliance Recess engagement；Circular concave inner surface, it is limited chamber and is engaged with the rotation accommodated with holding member；With the inside top table of chamber Face, its concave indention are radially extended along the neighboring on the inside top surface of chamber.

In a further embodiment, dental attachment assembly includes base station component, it is designed to be attached to shape The first end of root of the tooth, implant or adjacent teeth, and the second end with outer positioning surface；Holding member, it is with first end And skirt section, skirt section extend from first end, first end limits the inner surface for being used for engaging in the outer positioning surface of base station component； And cap, it, which has, limits the circular concave inner surface that chamber is engaged with the rotation accommodated with holding member；The inside top table of its lumen Face includes the concave indention radially extended along the neighboring on the inside top surface of chamber.

After refering to features as discussed above, those of ordinary skill in the art will be more readily apparent from the present invention's Further feature and advantage.

Brief description

By refering to features as discussed above, it will be understood that the present invention is structurally and operationally, in the accompanying drawings, identical reference Numeral instruction same parts, wherein：

Figure 1A is the side Section View of the dental attachment assembly of embodiment according to the present invention；

Figure 1B is the grade optical axis view of the cap of the dental attachment assembly of an embodiment according to the present invention；

Fig. 1 C are the grade optical axis Section Views of the cap of the dental attachment assembly of an embodiment according to the present invention；

Fig. 2 is the cap of the dental attachment assembly of embodiment according to the present invention and the side Section View figure of holding member Show；

Fig. 3 is the side Section View diagram of the cap of embodiment according to the present invention, and which illustrates in cap The continuous tangent line circular arc of the angle of concave indention is formed on wall；

Fig. 4 is the side Section View diagram of the cap of embodiment according to the present invention, and which illustrates the angle of concave indention Degree；

Fig. 5 is that the side cutting of the dental attachment assembly in fully rotating position of embodiment according to the present invention regards Figure；

Fig. 6 is that the holding member of embodiment according to the present invention is rotated to the row of fully rotating position from non-rotated position Into side Section View diagram；

Fig. 7 is the side view figure of the dental attachment assembly in fully rotating position of embodiment according to the present invention Show；

Fig. 8 is the cap of embodiment according to the present invention and the alternate design of holding member and the alternate design of base station Side Section View diagram；

Fig. 9 is that the side cutting of the cap of embodiment according to the present invention and the alternate design of holding member and base station regards Figure diagram；

Figure 10 A and Figure 10 B are the outer surfaces of the two kinds of structures of the restriction holding member of embodiment according to the present invention The arranged side by side of circular diameter is compared；

Figure 11 is that the side cutting of the various sizes of construction of the dental attachment assembly of embodiment according to the present invention regards Figure diagram；

Figure 12 is the different sizes of the dental attachment assembly in fully rotating position of embodiment according to the present invention Construction side view diagram；

Figure 13 is diagram embodiment according to the present invention for dental appliance to be anchored on the intraoral example of patient The flow chart of process；

Figure 14 is the dental attachment after being fixed on dental appliance in patient oral cavity of embodiment according to the present invention The side view diagram of component；And

Figure 15 is the anchoring to cap and holding member on the base station of dental attachment assembly of embodiment according to the present invention Process side view diagram.

Embodiment

Certain embodiments as disclosed herein provides dental attachment assembly and method, it utilizes implant or other pedestals Structure anchor dental appliance, dental attachment assembly include the base station component and base station component for being attached to implant or base construction The releasedly holding member of snap engagement, and cap, cap is fixed in the recess of dental appliance and be configured to can with holding member The rotation of release ground is engaged so that dental appliance is positioned and secured on implant.Cap is included with the circle engaged with holding member The chamber of concave inner surface, and the inside top surface of chamber, the concave indention on inside top surface is along the outer of the inside top surface of chamber Peripheral radial extends to allow holding member to be rotated in cap.Therefore, the inside top surface of chamber is surrounded by concave indention Core extends vertically into intracavitary minimize the vertical displacement of holding member when holding member rotates in cap.

After this description is read, how to be realized in various alternate embodiments and alternate application of the invention for ability It will become obvious for the technical staff in domain.However, although various embodiments of the present invention are described herein, but should manage Solution, these embodiments are only provided by example, not restrictive.In this way, retouching in detail to various alternate embodiments State the scope of the present invention or width that should not be construed as limiting as illustrated in appended claims.

When dental attachment assembly described herein is navigated on implant, the component is by providing greater flexibility And movement, simplify the process that dental appliance is attached to base construction (for example, implant).Form the inside top table along chamber Concave indention that the neighboring in face radially extends allows holding element in cap with the angular turn of bigger or rotation, which increase Component can be mounted to the admissible angle correct on base station while the vertical displacement of limitation holding element.There are many Indicate with the anatomical conditions of the angulation placement implant of the various angle correct abilities more than the selection of current prosthese.When positioning and adjust During the intraoral dental appliance of whole patient, which is easier to use.

A. dental attachment assembly

Figure 1A illustrates the implant 102 for being attached with and being anchored into bone or other base constructions (being not shown, such as root of the tooth) Dental attachment assembly 100 an embodiment.The base station 104 of dental attachment assembly 100 is attached to the one of implant 102 End, so as to which the base station 104 usually above the tissue of implant 102 can be seen.Then, by releasable snap engagement or Other holding means described below are connected holding member 106 and the top section of base station 104.Then, will have circular recessed The cap 108 that inner surface limits chamber is assemblied in the top of holding member 106 to allow cap 108 relative to holding in a manner of rotating and engage Component 106 and base station 104 rotate.Cap 108 is fixed in the recess of dental appliance (as shown in Figure 14 and Figure 15), will to work as When dental appliance is assembled on base station, cap 108 keeps the holding member 106 engaged with base station 104.Cap 108 and holding member 106 Engagement define rotation connection, the rotation connection allow cap 108, and thereby allow dental appliance relative to holding member 106, Base station 104 and implant 102 rotate.

As shown in Figure 1A, and the optical axis view in such as Figure 1B and Fig. 1 C is more clearly shown, in one embodiment, The inside top surface of cap 108 is configured to the concave indention radially extended with the neighboring along the inside top surface of chamber 110.Concave indention 110 allows cap 108 to be rotated with much bigger angle relative to holding member 106 and base station 104, this causes people Be easier by dental appliance be fixed to base station 104 on.The central part 112 on the inside top surface of cap 108 extends vertically into cap chamber It is interior, and minimize the vertical displacement between holding member 106 and cap 108, when there is no during core 112, holding member Vertical displacement will occur between 106 and cap 108.In this exemplary, the height of cap is about 1.9 millimeters, but It will be apparent to one skilled in the art that the size of cap can change.

In Figure 1A embodiment illustrated, holding member 106 is kept by skirt section (or side wall), and skirt section (or side wall) is from cap 108 one end is stretched out so that holding member 106 and cap 108 are releasably engaged, such as United States Patent (USP) 6, that disclosed in 981,871 Sample, its content are incorporated herein in entirety by reference.The outer positioning surface of base station 104 has at least two axially-spaced guarantors Hold surface, on the inner surface of holding member 106 be spaced apart corresponding snap engagement construction with merge snap engagement with The exterior retentivity stacked between base station 104 and holding member 106 with offer.

B. cap designs

Fig. 2 illustrates the side Section View of cap 108 and holding member 106 in non-rotated position, it is more clearly Illustrate when not rotating, how holding member 106 is assemblied in the intracavitary of cap 108.Holding member 106 and cap 108 The core 112 on inside top surface contacts.The generally curved madial wall with cap 108 of lateral wall of holding member 106 Curved surface matches, and the part that it can be in side wall at any one position is directly contacted so that being easy to rotate without Produce excess friction.

In one embodiment, concave indention 110 is specifically designed to bent portion 114, it is using by radius A series of continuous tangent line circular arcs that multiple circles of change are formed are formed, as illustrated in Fig. 3 and Fig. 4.The embodiment party illustrated herein In case, circle A, circle B and circle C represent the part of the tangent line circular arc for obtaining curve 114, but any number of circles can be used.Circle A, the top section 108A of circle B and circle C from base section 108B to the cap of cap is arranged with forming curves 114 from large to small by diameter Angle changing.As illustrated in fig. 5, curve 114 is designed to while holding member 106 is remained engaged with cap 108, Rotation of the cap 108 around holding structure 106 is optimized.The diameter of each change justified can be used, as long as diameter is by big Arranged from bottom to top to the small madial wall along cap.In the exemplary of Fig. 3, concave indention 110 is by diameter point Circle A, circle B and circle C that Wei be 0.067 inch, 0.083 inch and 0.186 inch be formed.The diameter and 110 phase of concave indention of circle C The opposite side of cap is met at, thus defines the diameter of cap chamber.Each bent portion of each circle and concave indention 110 are not The same curved surface 114 for partly intersecting to form curvature change, as shown in Figure 4.In the present embodiment, curve 114 is by half Footpath value is 0.34 inch, 0.42 inch and 0.93 inch of circle along the corresponding with the diameter in examples given above of curve Each point is formed.

Fig. 5 illustrates the embodiment that holding member 106 and base station 104 are in fully rotating position in cap 108, A part for wherein holding member 106 has been rotated in the concave indention 110 in cap 108.The opposite side of holding member 106 to Backspin goes to the point remained in cap 108, and which illustrates the whole rotating range of cap 108 in one direction.In this implementation In scheme, rotating range S is about 30 degree, and the diameter D of wherein cap is about 5.4 millimeters (mm), and height H is about 2.3mm, so And it will be apparent to one skilled in the art that these sizes can change and can still realize identical swing.Slewing area can be appropriate Ground extends to about 32 degree, and if changes cap, holding member for example, by increasing capped height and reducing the diameter of base station Size with base station is to allow the rotation of bigger, then slewing area may extend to up to about 40 degree.

Fig. 6 is illustrated when holding member 106 starts to rotate to fully rotating position from non-rotated position, cap 108 and guarantor A series of diagrams of structure 106 are held, and Fig. 7 illustrates the side view that whole dental attachment assembly is in fully rotating position.Cap 108 When being inserted into the recess of dental appliance, therefore when dental appliance is attached to component, rotation amount is passed to dental appliance, so that Allow greater flexibility when dental appliance is attached to base station by dentist or patient.

C. replacement assemblies

Fig. 8 illustrates the alternate embodiment of the dental attachment assembly with base station 104 and holding member 106B, wherein base Platform 104 and holding member 106B using the snap engagement between the outer surface of base station 104 and the inner surface of holding member 106B and Engagement.In the present embodiment, cap 108 keeps radial direction concave indention 110, but base station 104 only has in the exterior section of base station One holding surface is used to coordinate with the respective annular concave surface of holding member 106B.Therefore, even if holding mechanism is different, cap 108 Still additional rotation flexibility is provided using holding member 106B and base station 104.

Fig. 9 illustrates another alternate embodiment, and wherein base station 104 is equipped with axially-spaced holding surface, but protects The construction for holding component 106B does not have corresponding annular groove.However, holding member 106B still is able to keep base station 104, and carry For the complete rotation in cap 108 in concave indention 110.

Figure 10 A illustrate the exterior curved surface without the holding member 106B for being used for the annular groove for keeping base station The design of 118 bent portion, and Figure 10 B are illustrated with the outer of the holding member 106 for being used for the annular groove for keeping base station The design of the bent portion of portion's curved surface 120.The measurement of offer proves that various geometrical constructions can be designed, so as to holding member cap Interior rotation.Can optimization design so that holding member in cap without frictionally moving, or may be designed to that there is a small amount of resistance, while still Permission rotates in cap.In Figure 10 A, the exterior curved surface 118 of holding member 106B is by a diameter of 0.060 inch of circle E Circle F with a diameter of 0.187 inch is formed.In fig. 1 ob, the exterior curved surface 120 of holding member 106 by it is a diameter of about 0.040 inch of circle G, a diameter of about 0.074 inch of circle H and a diameter of about 0.186 inch of circle I are formed.Measurement Minor variations illustrate that the two kinds of structures of holding member can be assemblied in cap, and realize provided by concave indention 110 it is identical Swing.

Figure 11 illustrates dental attachment assembly 100 of the size less than the size of Figure 1A and Fig. 5 the illustrated embodiment.Though Right size is smaller, but rotation angle S is still about 30 degree, this show to make various sizes of attachment assembly with same performance with For the different piece in oral cavity, larger component may be unrealistic at these parts.Figure 12 is illustrated in fully rotating The side view of the less dental attachment assembly 100 of position.

D. application method

Figure 13 illustrates the one of the method that dental appliance is attached to implant using dental attachment assembly described herein A embodiment.In first step 1302, base station is fixed to implant or other root architectures that will support dental appliance.Connect down Come, non-rotating holding member is inserted into (step 1304) in cap, then in step 1306, which is attached to base station.In step Rapid 1308, dental appliance, which is modified to recess being arranged on appropriate location, sentences accommodating non-rotating holding member and cap assembly with standard Standby attachment, and in step 1310, cap is incorporated in the recess of dental appliance.In step 1312, non-rotating holding is removed from cap Component, and rotating retaining member is inserted into cap., can be by making holding member snap engagement will to base station in step 1312 Dental appliance is joined on base station, and can couple by using the rotation between cap and holding member and dental appliance is rotated or turned Move into appropriate location, this is further enhanced by the concave indention in cap.

Figure 14 is the side view of the dental attachment assembly after dental appliance 120 is fixed in patient oral cavity 122, wherein Cap 108 is in the base station 104 being attached with implant 102.Figure 15 is that dental appliance 120 is attached to cap 108 and holding member 106, and the side view for the method that then dental equipment assembly is assembled on base station 104 and implant 102 illustrates.

By making cap that there is concave indention and combining a variety of constructions of dental attachment assembly, when dental appliance is attached to plant When entering body, the permissible angle correct increase of any dental attachment assembly, so as to simplify attach process and reduce composition portion Divide the risk because damaging misalignment and being worn because high using angle.

There is provided to the above description of disclosed embodiment so that any person skilled in the art can carry out or make With the present invention.The various modifications of these embodiments will be evident for a person skilled in the art, and do not taking off In the case of the spirit or scope of the present invention, generic principles described herein can be applied to other embodiments.Therefore should manage Solution, description given herein and attached drawing represent the current preferred embodiment of the present invention, thus represent it is of the invention it is widely anticipated that Theme.It is to be further understood that the scope of the present invention is fully contemplated by become aobvious and easy for a person skilled in the art The other embodiments seen, but therefore the scope of the present invention is not restricted.

Claims

1. a kind of dental attachment assembly, it includes：

Base station component, it is designed to be attached to the first end of root of the tooth, implant or adjacent teeth with shape, and with outer Position the second end on surface；

Holding member, it has the first center longitudinal axis, first end and skirt section, and the skirt section extends from the first end, and described One end limits the inner surface being used in the engagement of the outer positioning surface of the base station component；With

Cap, its circular concave inner surface for having the second center longitudinal axis and limiting chamber, is indulged with first and second center wherein Angled complete of axis non-rotated position in alignment and wherein described second center longitudinal axis and first longitudinal axis Rotation is formed between rotation position with the outer surface of the holding member to engage；

The inside top surface of wherein described chamber includes what is radially extended along the neighboring on the inside top surface of the chamber Concave indention.

2. dental attachment assembly according to claim 1, it further comprises the core on the inside top surface, It is surrounded by the concave indention and extends vertically into the intracavitary at least to contact the holding structure in the non-rotated position The core of the first end of part.

3. dental attachment assembly according to claim 1, wherein the circle of the curve of the concave indention along the chamber At least a portion of the side wall of shape concave inner surface continues.

4. dental attachment assembly according to claim 3, wherein the concave inner surface of the side wall and the spill are recessed Portion is bent along the side wall and the inside top surface of the chamber with the angle of multiple changes.

5. dental attachment assembly according to claim 3, wherein the circular recessed interior table of the concave indention and the side wall Face is made of a series of continuous tangent line circular arcs.

6. dental attachment assembly according to claim 5, wherein a series of size of continuous tangent line circular arcs is from described Inside top surface to the openend of the side wall increases.

7. dental attachment assembly according to claim 6, wherein a series of continuous tangent line circular arcs by size from described The circle composition that the inside top surface of cap to the openend of the side wall of the cap increases.

8. dental attachment assembly according to claim 1, wherein the outside diameter of the cap is 5.4mm, and the height of the cap For 2.3mm.

9. dental attachment assembly according to claim 1, wherein the concave indention of the cap is in the non-rotating position Put and engage up to 30 degree relative to the rotation of the holding member between fully rotating position.

10. dental attachment assembly according to claim 1, extends to wherein the holding member has from the first end The circular ring shape peripheral part in the skirt section, and the peripheral part of the circular ring shape Part I in the fully rotating position Engaged with the opposite part of the concave indention in the cap.

11. dental attachment assembly according to claim 10, wherein the circular concave inner surface of the cap has outer end Portion, it contacts the Part II of the circular ring shape peripheral part of the holding member, and institute in the fully rotating position The Part II of circular ring shape peripheral part is stated with contacting the complete phase of the Part I of the concave indention in the cap It is right.

12. a kind of method that dental appliance is attached to patient oral cavity, including：

The first end of base station component is fixed to implant, root of the tooth or adjacent teeth, the base station component has on the second end Outer positioning surface；

The outer surface of cap is attached in the recess in the dental appliance, the cap has center longitudinal axis, limits the circle of chamber The concave indention that the neighboring of concave inner surface and top surface along the concave inner surface of the cap radially extends；

The outer surface of holding member is positioned to the intracavitary of the cap, with by predetermined rotation angle from wherein described cap The center longitudinal axis and the center longitudinal axis of the holding member are in non-rotated position that axis aligns to the institute of wherein described cap The center longitudinal axis fully rotating position angled with the center longitudinal axis of the holding member is stated in the holding member Rotation is formed between the concave inner surface and concave indention of the cap to engage；And

The inner surface of the holding member is positioned to the outer positioning surface of the base station component in a manner of engaging, The dental appliance is fixed in the oral cavity of the patient, the holding member includes first end and skirt section, the skirt section Extend from the first end, the first end is bonded on the outer positioning surface of the base station component.

13. the method according to claim 11, wherein the concave inner surface of the cap described in the non-rotated position The core of the top surface contacts the opposite core of the outer surface of the holding member, and described A part for concave indention described in fully rotating position contacts the opposite, non-central of the outer surface of the holding member Part, with the rotating predetermined angle for the cap being limited between described non-rotating and fully rotating position on the holding member Spend scope.